// 公共样式
* {
  margin: 0;
  padding: 0;
}

input {
  border: none;
}

html {
  height: 100%;
}

body {
  background-color: var(--main-color);
  -webkit-font-smoothing: antialiased;
  font-family: "Avenir", Helvetica, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  height: 100%;
  width: 100%;
}

.flex {
  display: flex;
}
.a-center {
  align-items: center;
}
.j-center {
  justify-content: center;
}
.flex-c {
  align-items: center;
  justify-content: center;
}
